package com.itheima.reggie.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.SetmealDto;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Setmeal;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.SetmealDishService;
import com.itheima.reggie.service.SetmealService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiImplicitParams;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.web.bind.annotation.*;
import java.util.List;
import java.util.stream.Collectors;

@RestController
@Slf4j
@Api(tags = "套餐相关接口")
@RequestMapping("/setmeal")
public class SetmealController {

    @Autowired
    private SetmealService setmealService;
    @Autowired
    private SetmealDishService setmealDishService;


    @Autowired
    private CategoryService categoryService;


    /**
     * 新增套餐
     */
    @PostMapping
    @CacheEvict(value = "setmealCache",allEntries = true) //用注解方式清理缓存的数据
    public R<String> save(@RequestBody SetmealDto setmealDto){
        log.info( "套餐信息为{}",setmealDto );

        setmealService.saveWithDish( setmealDto );
        return R.success( "新增套餐成功" );
    }


    @GetMapping("/page")
    @ApiOperation(value = "套餐分页查询接口")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "page",value = "页码",required = true),
            @ApiImplicitParam(name = "pageSize",value = "每页记录数",required = true),
            @ApiImplicitParam(name = "name",value = "套餐名称",required = false)
    })
    public R<Page> page(int page, int pageSize, String name) {
        Page<Setmeal> pageInfo = new Page<>( page, pageSize );
        Page<SetmealDto> dtoPage = new Page<>();



        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();

        queryWrapper.like( name != null, Setmeal::getName, name );

        queryWrapper.orderByDesc( Setmeal::getUpdateTime);

        setmealService.page( pageInfo, queryWrapper );

        BeanUtils.copyProperties( pageInfo,dtoPage,"records" );

        List<Setmeal> records = pageInfo.getRecords();

       List<SetmealDto> list =  records.stream().map( (item)->{

           SetmealDto setmealDto = new SetmealDto();

           //对象拷贝
           BeanUtils.copyProperties( item,setmealDto );
           //分类id
           Long categoryId = item.getCategoryId();

           //根据分类id查询分类对象

           Category category = categoryService.getById( categoryId );


           if (category != null) {
               String categoryName = category.getName();
               setmealDto.setCategoryName( categoryName );

           }
           return setmealDto;


       } ).collect( Collectors.toList());


       dtoPage.setRecords( list );


        return R.success( dtoPage );

    }


    /**
     * 删除菜品套餐
     * @param ids
     * @return
     */

    @CacheEvict(value = "setmealCache",allEntries = true) //用注解方式清理缓存的数据
    @DeleteMapping
    public R<String> delete(@RequestParam List<Long> ids){

        log.info( "ids{}",ids );

        setmealService.removeWithDish( ids );
        return R.success( "套餐数据删除成功" );
    }


    /**
     * 根据条件查询套餐数据
     */

    @Cacheable(value = "setmealCache",key = "#setmeal.categoryId+' '+#setmeal.status")
    @GetMapping("/list")
    public R<List<Setmeal>> list(Setmeal setmeal){

        LambdaQueryWrapper <Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(setmeal.getCategoryId()!=null, Setmeal::getCategoryId,setmeal.getCategoryId());
        queryWrapper.eq(setmeal.getStatus()!=null, Setmeal::getStatus,setmeal.getStatus());
        queryWrapper.orderByDesc( Setmeal::getUpdateTime );



        List<Setmeal> list = setmealService.list( queryWrapper );


        return R.success(list);
    }


}
